Chapter Overview
The chapter Data Handling and Presentation introduces students to the basic concepts of data, how to collect it, organize it meaningfully, and present it in different visual formats such as bar graphs and pictographs. Students learn how to interpret data, identify trends, and make decisions based on the information provided.
Important Keywords
- Data: Information collected in a structured way for reference or analysis.
- Frequency: The number of times a value occurs.
- Tally Marks: A quick way of keeping track of numbers in groups of five.
- Bar Graph: A chart that uses rectangular bars to represent data.
- Pictograph: A visual representation of data using symbols or pictures.
- Survey: The process of collecting information from people.
- Interpretation: The process of drawing conclusions from data.
Detailed Notes
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